build: Create ocarina.bin as a symlink to ocarina-player

I want to add in more ocarina-* commands, so the first step is making
the player its own command.

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>

.gitignore

@@ -2,6 +2,5 @@
 *.swp
 *.tar.gz
 .sconsign.dblite
-ocarina.bin
+bin/
 include/version.h
-test_*

Sconstruct

@@ -35,9 +35,14 @@ def directory(dirs):
 		objs.append(files)
 	return objs
 
+def symlink(target, source, env):
+	import os
+	os.symlink(str(source[0]), str(target[0]))
+
 SConscript(['include/Sconscript'])
-ocarina=env.Program('ocarina.bin', directory(["libsaria", "ocarina"]))
-Default([ocarina])
+ocarina = env.Program('bin/ocarina-player', directory(["libsaria", "ocarina"]))
+oc_link = env.Command("ocarina.bin", "bin/ocarina-player", symlink)
+Default([ocarina, oc_link])
 
 # Install Ocarina
 scripts = os.listdir("scripts/")